<nz-input-group nzAddOnBefore="产品名称">
  <nz-select [(ngModel)]="p.proid" [nzOptions]="proidArray" (ngModelChange)="test()"
             nzPlaceHolder="必选项，请选择"></nz-select>
</nz-input-group>

<nz-input-group nzAddOnBefore="产品数量">
  <nz-input-number [(ngModel)]="p.outnum" [nzMin]="0" [nzMax]=maxNum [nzStep]="1"></nz-input-number>
</nz-input-group>
<nz-input-group nzAddOnBefore="出库时间">
  <nz-date-picker [(ngModel)]="p.outdate"></nz-date-picker>
</nz-input-group>
<nz-input-group nzAddOnBefore="出库方向">
  <input nz-input [(ngModel)]="p.direction"/>
</nz-input-group>
